Find the Indicated Probability A Family Is Selected at Random from the City

question 93

Multiple Choice

Find the indicated probability.
-The table shows the distribution of family size in a certain U.S. city $$\begin{array} { c c } \text { Family Size } & \text { Probability } \\\hline 2 & 0.450 \\3 & 0.209 \\4 & 0.201 \\5 & 0.095 \\6 & 0.029 \\7 + & 0.016\end{array}$$ A family is selected at random from the city. Find the probability that the size of the family is between 2 and 5 inclusive. Round approximations to three decimal places.

• A)0.955
• B)0.41
• C)0.86
• D)0.545

---

Definitions:

Marginal-Utility-To-Price Ratio

The comparison of the additional satisfaction obtained from consuming one more unit of a good to its cost.

Marginal Utility

The incremental pleasure or value received from consuming one more unit of a good or service.

Marginal Utility Schedules

Tables or graphs that show the relationship between the quantity of a good consumed and the utility (satisfaction) that is gained from each additional unit.

Total Utility

The complete satisfaction or advantage gained from consuming a specified overall amount of a product or service.